ZS Associates TechnicalAssociate interview questions

This was a case study round. The case study was based on DBMS. We were asked to write the SQL query or the algorithm. Case study was tough. Time given was 35 minutes. They were not expecting the full answer, only logic part was checked. Some situation based and some guess estimates were also asked. Also, in this round interviewer gave me 3 puzzles Around 80% of students were eliminated after this round.